SD1728 Datasheet, PDF (1/9 Pages) STMicroelectronics – RF & MICROWAVE TRANSISTORS HF SSB APPLICATIONS

SD1728 (TH430)
RF & MICROWAVE TRANSISTORS
HF SSB APPLICATIONS
.......OPTIMIZED FOR SSB
30 MHz
50 VOLTS
IMD − 30 dB
GOLD METALLIZATION
COMMON EMITTER
POUT = 250 W PEP WITH 14.5 dB GAIN
.550 4LFL (M177)
epoxy sealed
ORDER CODE
SD1728
B RA ND IN G
TH430
PIN CONNECTION
DESCRIPTION
The SD1728 is a 50 V epitaxial silicon NPN planar
transistor designed primarily for SSB and VHF
communications. This device utilizes emitter bal-
lasting for improved ruggedness and reliability.
ABSOLUTE MAXIMUM RATINGS (T_case = 25^°C)
Symb ol
Parameter
VCBO
V_CEO
V_EBO
IC
PDISS
T_J
T_STG
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Device Current
Power Dissipation
Junction Temperature
Storage Temperature
THERMAL DATA
RTH(j-c) Junction-Case Thermal Resistance
November 1992
1. Collector
2. Emitter
3. Base
4. Emitter
Value
Unit
110
V
55
V
4.0
V
40
A
330
W
+200
°_C
− 65 to +150
°_C
0.4
°C/W
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